Büchi Labortechnik AG
Operating Pro control panel | 7
Operation Manual Lyovapor™ L-300/L-300 Pro
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Navigation path
➔
Configuration
➔
End point determination
➔
Pressure rise test
Precondition:
R
The process has been started.
u
Navigate to the action
[Pressure rise test]
via the navigation path.
u
On the line
[Pressure limit]
enter the pressure increase (delta p) within the
running test.
u
On the line
[Test duration]
set the length of time for which the pressure rise test
is to be carried out.
u
Tap the function
[Start]
on the function bar.
ð
The pressure rise test starts.
ð
After completion of the pressure rise test, the
[Pressure rise test]
line shows
whether the pressure rise test has been passed or not.
7.10.5 Ending freeze-drying
Navigation path
➔
Start
Precondition:
R
The sample is dry.
u
Navigate to the
[Start]
menu via the navigation path.
u
Tap the function
[Aerate]
on the function bar.
u
Answer YES to the confirmation question.
ð
The system is vented.
ð
The status bar shows the status Aerating.
u
As soon as the status bar shows the status Unload / Load, remove the dried
sample from the drying rack.
7.10.6 Shutting down the instrument
NOTICE
Not completed shut down of the instrument.
An interruption while shutting down the instrument can damage the instrument.
u
Shut down the instrument completely.
u
If the shutdown was interrupted, tap the function
[Defrost]
on the function bar.
NOTICE
Do not use force to remove the ice from the ice condenser.
Time
re-
quired:
40 min
